Home / 3,045.34-4,200.48-1,867

Finding the Fourth Proportional to 3,045.34, 4,200.48 and 1,867

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Solution

The fourth proportional to 3,045.34, 4,200.48 and 1,867 is: 2,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.34 : 4,200.48 = 1,867 : x
  2. Step 2: Convert to fraction form
    3,045.34/4,200.48 = 1,867/x
  3. Step 3: Cross multiply
    3,045.34x = 4,200.48 × 1,867
  4. Step 4: Simplify right side
    3,045.34x = 7,842,296.16
  5. Step 5: Solve for x
    x = 7,842,296.16/3,045.34
  6. Step 6: Final answer
    x = 2,575.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.